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, under Relapsing. -- Recurrent pulse (Physiol.), the pulse beat which appears (when the radial artery is compressed at the wrist) on the distal side of the point of pressure through the arteries of the palm of the hand. -- Recurrent sensibility (Physiol.), the sensibility manifested by the anterior, or motor, roots…

A frame with radial arms, or a kind of spool, turning on an axis, on which yarn, threads, lines, or the like, are wound; as, a log reel, used by seamen; an angler's reel; a garden reel.

One of the radial handles projecting from the rim of a steering wheel; also, one of the pins or trundles of a lantern wheel.

lusks of the genus Pecten and allied genera of the family Pectinidæ. The shell is usually radially ribbed, and the edge is therefore often undulated in a characteristic manner. The large adductor muscle of some the species is much used as food. One species (Vola Jacobæus) occurs on the coast of Palestine, and its shell…

d bone. Scaphoid bone (a) One of the carpal bones, which articulates with the radius; the radiale. (b) One of the tarsal bones; the navicular bone. See under Navicular.

One of the radial calcareous plates of a coral.

o or more spurs on each leg. -- Spur gear (Mach.), a cogwheel having teeth which project radially and stand parallel to the axis; a spur wheel. -- Spur gearing, gearing in which spur gears are used. See under Gearing. -- Spur pepper. (Bot.) See the Note under Capsicum. -- Spur wheel. Same as Spur gear, above.…

arch (Arch.), a form of arch in which the intrados is straight, but with its joints drawn radially, as in a common arch. -- A straight face, one giving no evidence of merriment or other emotion. -- A straight line. "That which lies evenly between its extreme points." Euclid. "The shortest line between two points." Ch…

One of the radial partitions which separate the internal cavities of certain medusæ.

ooves, by which several pieces, as the jaws of a chuck, can be brought together or spread radially.

he form of a short cylinder, to the circumference of which spiral vanes or floats, placed radially, are attached, turned by the impact of one or more streams of water, conducted so as to strike against the floats in the direction of a tangent to the cylinder.

Art of preparing sections (transverse, tangential, or radial) of wood, esp. by means of a microtome, for microscopic examination.